./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b698dcf3c9df7b9ad57a5812bd690b0917b122e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:31:29,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:31:29,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:31:29,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:31:29,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:31:29,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:31:29,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:31:29,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:31:29,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:31:29,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:31:29,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:31:29,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:31:29,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:31:29,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:31:29,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:31:29,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:31:29,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:31:29,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:31:29,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:31:29,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:31:29,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:31:29,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:31:29,604 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:31:29,604 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:31:29,604 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:31:29,605 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:31:29,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:31:29,610 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:31:29,611 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:31:29,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:31:29,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:31:29,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:31:29,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:31:29,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:31:29,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:31:29,614 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:31:29,615 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:31:29,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:31:29,629 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:31:29,630 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:31:29,630 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:31:29,630 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:31:29,630 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:31:29,630 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:31:29,631 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:31:29,631 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:31:29,631 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:31:29,631 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:31:29,631 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:31:29,631 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:31:29,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:31:29,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:31:29,632 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:31:29,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:31:29,633 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:31:29,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:31:29,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:31:29,636 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:31:29,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:31:29,636 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:31:29,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:31:29,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:31:29,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:31:29,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:31:29,637 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:31:29,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:31:29,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:31:29,637 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:31:29,638 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b698dcf3c9df7b9ad57a5812bd690b0917b122e [2018-11-18 13:31:29,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:31:29,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:31:29,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:31:29,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:31:29,687 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:31:29,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-11-18 13:31:29,737 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/data/87d01c02a/b6aff1237b364dc9ad2280a4b616d1e1/FLAGac08e5e98 [2018-11-18 13:31:30,156 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:31:30,157 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-11-18 13:31:30,167 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/data/87d01c02a/b6aff1237b364dc9ad2280a4b616d1e1/FLAGac08e5e98 [2018-11-18 13:31:30,540 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/data/87d01c02a/b6aff1237b364dc9ad2280a4b616d1e1 [2018-11-18 13:31:30,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:31:30,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:31:30,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:31:30,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:31:30,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:31:30,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:30,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f003888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30, skipping insertion in model container [2018-11-18 13:31:30,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:30,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:31:30,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:31:30,866 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:31:30,869 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:31:30,939 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:31:30,953 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:31:30,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30 WrapperNode [2018-11-18 13:31:30,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:31:30,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:31:30,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:31:30,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:31:30,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:31:31,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:31:31,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:31:31,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:31:31,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... [2018-11-18 13:31:31,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:31:31,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:31:31,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:31:31,127 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:31:31,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:31:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:31:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:31:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:31:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:31:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:31:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:31:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:31:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:31:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:31:33,180 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:31:33,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:33 BoogieIcfgContainer [2018-11-18 13:31:33,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:31:33,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:31:33,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:31:33,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:31:33,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:31:30" (1/3) ... [2018-11-18 13:31:33,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627d2063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:31:33, skipping insertion in model container [2018-11-18 13:31:33,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:30" (2/3) ... [2018-11-18 13:31:33,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627d2063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:31:33, skipping insertion in model container [2018-11-18 13:31:33,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:33" (3/3) ... [2018-11-18 13:31:33,189 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label29_true-unreach-call_false-termination.c [2018-11-18 13:31:33,197 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:31:33,206 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:31:33,218 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:31:33,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:31:33,258 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:31:33,258 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:31:33,258 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:31:33,258 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:31:33,259 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:31:33,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:31:33,259 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:31:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 13:31:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:31:33,288 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:33,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:33,291 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:33,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:33,296 INFO L82 PathProgramCache]: Analyzing trace with hash 150214839, now seen corresponding path program 1 times [2018-11-18 13:31:33,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:33,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:33,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:33,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:33,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:33,708 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 13:31:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:33,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:31:33,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:31:33,747 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:31:33,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:31:33,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:31:33,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:33,761 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 13:31:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:34,353 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-18 13:31:34,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:31:34,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-18 13:31:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:34,365 INFO L225 Difference]: With dead ends: 627 [2018-11-18 13:31:34,365 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 13:31:34,369 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 13:31:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-18 13:31:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 13:31:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-18 13:31:34,420 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 109 [2018-11-18 13:31:34,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:34,420 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-18 13:31:34,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:31:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-18 13:31:34,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 13:31:34,424 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:34,424 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:34,424 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:34,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:34,425 INFO L82 PathProgramCache]: Analyzing trace with hash 348320458, now seen corresponding path program 1 times [2018-11-18 13:31:34,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:34,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:34,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:34,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:34,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:34,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:31:34,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:31:34,532 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:31:34,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:31:34,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:31:34,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:34,535 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 3 states. [2018-11-18 13:31:35,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:35,109 INFO L93 Difference]: Finished difference Result 1053 states and 1768 transitions. [2018-11-18 13:31:35,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:31:35,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-18 13:31:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:35,116 INFO L225 Difference]: With dead ends: 1053 [2018-11-18 13:31:35,116 INFO L226 Difference]: Without dead ends: 676 [2018-11-18 13:31:35,119 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:35,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-11-18 13:31:35,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2018-11-18 13:31:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-11-18 13:31:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1011 transitions. [2018-11-18 13:31:35,143 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1011 transitions. Word has length 118 [2018-11-18 13:31:35,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:35,143 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 1011 transitions. [2018-11-18 13:31:35,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:31:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1011 transitions. [2018-11-18 13:31:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 13:31:35,146 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:35,146 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:35,146 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:35,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:35,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1318631550, now seen corresponding path program 1 times [2018-11-18 13:31:35,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:35,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:35,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:35,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:35,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:35,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:31:35,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:31:35,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:31:35,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:31:35,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:31:35,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:35,302 INFO L87 Difference]: Start difference. First operand 676 states and 1011 transitions. Second operand 3 states. [2018-11-18 13:31:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:36,165 INFO L93 Difference]: Finished difference Result 1926 states and 2979 transitions. [2018-11-18 13:31:36,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:31:36,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-11-18 13:31:36,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:36,171 INFO L225 Difference]: With dead ends: 1926 [2018-11-18 13:31:36,171 INFO L226 Difference]: Without dead ends: 1256 [2018-11-18 13:31:36,174 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:36,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-11-18 13:31:36,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2018-11-18 13:31:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2018-11-18 13:31:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1828 transitions. [2018-11-18 13:31:36,206 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1828 transitions. Word has length 123 [2018-11-18 13:31:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:36,206 INFO L480 AbstractCegarLoop]: Abstraction has 1256 states and 1828 transitions. [2018-11-18 13:31:36,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:31:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1828 transitions. [2018-11-18 13:31:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 13:31:36,209 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:36,209 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:36,210 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:36,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:36,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1684085040, now seen corresponding path program 1 times [2018-11-18 13:31:36,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:36,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:36,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:36,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:36,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:31:36,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:36,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:31:36,326 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 13:31:36,327 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:31:36,364 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:31:36,364 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:31:36,681 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:31:36,682 INFO L272 AbstractInterpreter]: Visited 110 different actions 110 times. Never merged. Never widened. Performed 1224 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 13:31:36,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:36,691 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:31:36,979 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 80.79% of their original sizes. [2018-11-18 13:31:36,979 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:31:37,023 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-18 13:31:37,024 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:31:37,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:31:37,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 13:31:37,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:31:37,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:31:37,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:31:37,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:31:37,026 INFO L87 Difference]: Start difference. First operand 1256 states and 1828 transitions. Second operand 6 states. [2018-11-18 13:31:39,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:39,513 INFO L93 Difference]: Finished difference Result 2656 states and 3872 transitions. [2018-11-18 13:31:39,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:31:39,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-18 13:31:39,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:39,518 INFO L225 Difference]: With dead ends: 2656 [2018-11-18 13:31:39,519 INFO L226 Difference]: Without dead ends: 1406 [2018-11-18 13:31:39,520 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:31:39,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2018-11-18 13:31:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1403. [2018-11-18 13:31:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-11-18 13:31:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1989 transitions. [2018-11-18 13:31:39,541 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1989 transitions. Word has length 155 [2018-11-18 13:31:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:39,542 INFO L480 AbstractCegarLoop]: Abstraction has 1403 states and 1989 transitions. [2018-11-18 13:31:39,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:31:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1989 transitions. [2018-11-18 13:31:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 13:31:39,545 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:39,546 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:39,546 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:39,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:39,546 INFO L82 PathProgramCache]: Analyzing trace with hash -47073822, now seen corresponding path program 1 times [2018-11-18 13:31:39,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:39,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:39,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:39,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:39,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:39,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:39,666 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:31:39,666 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 13:31:39,666 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:31:39,670 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:31:39,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:31:39,899 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:31:39,899 INFO L272 AbstractInterpreter]: Visited 113 different actions 331 times. Merged at 7 different actions 14 times. Never widened. Performed 3844 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:31:39,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:39,906 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:31:40,068 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 84.21% of their original sizes. [2018-11-18 13:31:40,068 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:31:40,136 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 13:31:40,137 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:31:40,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:31:40,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-18 13:31:40,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:31:40,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:31:40,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:31:40,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:31:40,138 INFO L87 Difference]: Start difference. First operand 1403 states and 1989 transitions. Second operand 10 states. [2018-11-18 13:31:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:44,220 INFO L93 Difference]: Finished difference Result 3421 states and 5047 transitions. [2018-11-18 13:31:44,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:31:44,220 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-11-18 13:31:44,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:44,228 INFO L225 Difference]: With dead ends: 3421 [2018-11-18 13:31:44,228 INFO L226 Difference]: Without dead ends: 2024 [2018-11-18 13:31:44,232 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 13:31:44,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2018-11-18 13:31:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2005. [2018-11-18 13:31:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2005 states. [2018-11-18 13:31:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2779 transitions. [2018-11-18 13:31:44,274 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2779 transitions. Word has length 160 [2018-11-18 13:31:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:44,274 INFO L480 AbstractCegarLoop]: Abstraction has 2005 states and 2779 transitions. [2018-11-18 13:31:44,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:31:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2779 transitions. [2018-11-18 13:31:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 13:31:44,280 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:44,280 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:44,280 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:44,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:44,281 INFO L82 PathProgramCache]: Analyzing trace with hash -726569558, now seen corresponding path program 1 times [2018-11-18 13:31:44,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:44,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:44,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:44,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:44,282 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:44,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:44,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:31:44,437 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-18 13:31:44,437 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:31:44,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:31:44,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:31:44,742 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:31:44,743 INFO L272 AbstractInterpreter]: Visited 115 different actions 459 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 5333 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5333 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:31:44,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:44,746 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:31:44,894 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 86.59% of their original sizes. [2018-11-18 13:31:44,894 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:31:44,950 INFO L415 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-11-18 13:31:44,950 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:31:44,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:31:44,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 13:31:44,950 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:31:44,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:31:44,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:31:44,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:31:44,951 INFO L87 Difference]: Start difference. First operand 2005 states and 2779 transitions. Second operand 9 states. [2018-11-18 13:31:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:47,393 INFO L93 Difference]: Finished difference Result 5580 states and 7983 transitions. [2018-11-18 13:31:47,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:31:47,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2018-11-18 13:31:47,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:47,399 INFO L225 Difference]: With dead ends: 5580 [2018-11-18 13:31:47,400 INFO L226 Difference]: Without dead ends: 2695 [2018-11-18 13:31:47,406 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 13:31:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2018-11-18 13:31:47,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2647. [2018-11-18 13:31:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2018-11-18 13:31:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3433 transitions. [2018-11-18 13:31:47,444 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3433 transitions. Word has length 181 [2018-11-18 13:31:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:47,445 INFO L480 AbstractCegarLoop]: Abstraction has 2647 states and 3433 transitions. [2018-11-18 13:31:47,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:31:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3433 transitions. [2018-11-18 13:31:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 13:31:47,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:47,450 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:47,450 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:47,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:47,450 INFO L82 PathProgramCache]: Analyzing trace with hash -966346447, now seen corresponding path program 1 times [2018-11-18 13:31:47,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:47,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:47,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:47,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:47,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:47,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:47,546 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:31:47,547 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-11-18 13:31:47,547 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:31:47,550 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:31:47,550 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:31:47,861 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:31:47,861 INFO L272 AbstractInterpreter]: Visited 117 different actions 458 times. Merged at 8 different actions 30 times. Never widened. Performed 5512 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5512 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:31:47,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:47,863 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:31:47,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:47,863 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:31:47,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:47,875 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:31:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:47,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:31:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 13:31:48,030 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:31:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:48,133 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:31:48,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:31:48,133 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:31:48,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:31:48,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:31:48,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:31:48,134 INFO L87 Difference]: Start difference. First operand 2647 states and 3433 transitions. Second operand 9 states. [2018-11-18 13:31:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:48,813 INFO L93 Difference]: Finished difference Result 6797 states and 8942 transitions. [2018-11-18 13:31:48,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:31:48,818 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 223 [2018-11-18 13:31:48,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:48,832 INFO L225 Difference]: With dead ends: 6797 [2018-11-18 13:31:48,832 INFO L226 Difference]: Without dead ends: 4156 [2018-11-18 13:31:48,839 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:31:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2018-11-18 13:31:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 4115. [2018-11-18 13:31:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4115 states. [2018-11-18 13:31:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 4115 states and 5267 transitions. [2018-11-18 13:31:48,925 INFO L78 Accepts]: Start accepts. Automaton has 4115 states and 5267 transitions. Word has length 223 [2018-11-18 13:31:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:48,925 INFO L480 AbstractCegarLoop]: Abstraction has 4115 states and 5267 transitions. [2018-11-18 13:31:48,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:31:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4115 states and 5267 transitions. [2018-11-18 13:31:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 13:31:48,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:48,936 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:48,936 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:48,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:48,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1949963584, now seen corresponding path program 1 times [2018-11-18 13:31:48,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:48,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:48,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:48,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:48,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:31:49,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:49,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:31:49,045 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-18 13:31:49,045 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:31:49,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:31:49,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:31:49,282 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:31:49,282 INFO L272 AbstractInterpreter]: Visited 118 different actions 352 times. Merged at 9 different actions 26 times. Never widened. Performed 4177 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4177 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:31:49,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:49,284 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:31:49,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:49,284 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:31:49,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:49,291 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:31:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:49,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:31:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 13:31:49,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:31:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 13:31:49,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:31:49,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-18 13:31:49,607 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:31:49,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:31:49,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:31:49,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:31:49,608 INFO L87 Difference]: Start difference. First operand 4115 states and 5267 transitions. Second operand 11 states. [2018-11-18 13:31:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:51,254 INFO L93 Difference]: Finished difference Result 6365 states and 7995 transitions. [2018-11-18 13:31:51,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:31:51,255 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 225 [2018-11-18 13:31:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:51,255 INFO L225 Difference]: With dead ends: 6365 [2018-11-18 13:31:51,256 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:31:51,266 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 458 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-11-18 13:31:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:31:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:31:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:31:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:31:51,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-11-18 13:31:51,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:51,267 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:31:51,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:31:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:31:51,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:31:51,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:31:51,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:51,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:51,993 WARN L180 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2018-11-18 13:31:52,138 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2018-11-18 13:31:52,338 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 13:31:52,340 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:31:52,341 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:31:52,341 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 13:31:52,342 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 13:31:52,343 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 13:31:52,344 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,345 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,346 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 13:31:52,347 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,348 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= 1 |old(~a25~0)|)) (.cse12 (= 0 |old(~a28~0)|)) (.cse6 (not (= 1 ~a21~0))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse13 (not (= 0 |old(~a11~0)|))) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse9 (= ~a11~0 0)) (.cse11 (= ~a17~0 8)) (.cse21 (= ~a25~0 1))) (let ((.cse16 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse17 (= 1 ~a11~0)) (.cse3 (not (= 1 |old(~a11~0)|))) (.cse10 (= 1 ~a19~0)) (.cse0 (not .cse21)) (.cse1 (< 10 |old(~a28~0)|)) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse18 (= |old(~a19~0)| ~a19~0)) (.cse19 (or (and .cse9 .cse11 .cse21) (and .cse9 (= ~a25~0 0) .cse11 (= ~a19~0 1) (= ~a28~0 7)))) (.cse2 (< 0 |old(~a19~0)|)) (.cse15 (= |calculate_output_#in~input| 0)) (.cse20 (and (or .cse6 (not .cse5) .cse12 .cse13 .cse14) (or .cse6 (not (= 7 |old(~a28~0)|)) .cse7 .cse13 .cse14 (not (= 0 |old(~a25~0)|)))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 (and .cse8 .cse9 .cse0 .cse10 .cse11) .cse12 .cse13 .cse14 .cse15 .cse5) (or .cse1 .cse7 (and .cse16 .cse8 .cse17 .cse10) .cse3 .cse4) (or .cse6 .cse7 .cse12 .cse10 .cse14 .cse15 .cse3) (or .cse6 .cse0 .cse12 .cse14 .cse15 .cse3 .cse5) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5) (or (and .cse16 .cse8 .cse18 .cse17) .cse1 .cse2 .cse3 .cse4) (or .cse6 (and (not (= ~a28~0 0)) .cse17 .cse11) .cse12 .cse14 .cse15 .cse3) (or (and .cse8 .cse10 .cse19) .cse7 .cse15 .cse20) (or .cse1 .cse6 .cse12 .cse13 .cse14 .cse2 .cse15 (and .cse8 .cse18 .cse9 .cse0 .cse11) .cse5) (or .cse1 (and .cse8 .cse18 .cse19) .cse2 .cse15 .cse20)))) [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 13:31:52,349 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 13:31:52,350 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 13:31:52,351 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 13:31:52,352 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 13:31:52,353 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:31:52,353 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-18 13:31:52,353 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 13:31:52,354 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 0)) (.cse6 (<= ~a17~0 7)) (.cse5 (= 1 ~a11~0)) (.cse0 (= ~a11~0 0)) (.cse2 (not (= ~a28~0 0))) (.cse3 (<= ~a28~0 10)) (.cse7 (= 1 ~a19~0)) (.cse4 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse1 .cse5 .cse3) (and (or (and .cse0 (= ~a25~0 1)) (and .cse0 (= ~a25~0 0) (= ~a28~0 7))) .cse2 .cse7 .cse4) (and .cse6 .cse5 .cse3 .cse7) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 (not (= main_~input~0 0)) .cse2 .cse3 .cse7 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-11-18 13:31:52,354 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:31:52,354 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:31:52,354 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse7 (= 1 ~a19~0)) (.cse8 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a19~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse2 .cse6) (and .cse4 .cse2 .cse6 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse7 (and .cse8 .cse1 .cse3 (= ~a25~0 1))) (not (= 8 |old(~a17~0)|)) (and .cse8 .cse0 .cse1 .cse6 .cse7 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse6 .cse3))) [2018-11-18 13:31:52,354 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 13:31:52,354 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 13:31:52,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:31:52 BoogieIcfgContainer [2018-11-18 13:31:52,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:31:52,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:31:52,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:31:52,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:31:52,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:33" (3/4) ... [2018-11-18 13:31:52,367 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:31:52,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:31:52,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:31:52,371 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:31:52,378 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:31:52,379 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:31:52,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((((a11 == 0 && a25 == 1) || ((a11 == 0 && a25 == 0) && a28 == 7)) && !(a28 == 0)) && 1 == a19) && a17 == 8)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a28 <= 10) && 1 == a19) && a17 == 8)) || !(0 == \old(a25)) [2018-11-18 13:31:52,461 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e3cd6f9-dafb-47de-a883-e64d94b8c0f3/bin-2019/utaipan/witness.graphml [2018-11-18 13:31:52,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:31:52,462 INFO L168 Benchmark]: Toolchain (without parser) took 21919.31 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 954.3 MB in the beginning and 1.2 GB in the end (delta: -209.2 MB). Peak memory consumption was 878.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:52,462 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:31:52,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:52,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:52,463 INFO L168 Benchmark]: Boogie Preprocessor took 88.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:52,463 INFO L168 Benchmark]: RCFGBuilder took 2053.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 102.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:52,464 INFO L168 Benchmark]: TraceAbstraction took 19181.36 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 928.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -115.6 MB). Peak memory consumption was 812.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:52,464 INFO L168 Benchmark]: Witness Printer took 98.26 ms. Allocated memory is still 2.1 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:31:52,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2053.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 102.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19181.36 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 928.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -115.6 MB). Peak memory consumption was 812.4 MB. Max. memory is 11.5 GB. * Witness Printer took 98.26 ms. Allocated memory is still 2.1 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 478]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((((a11 == 0 && a25 == 1) || ((a11 == 0 && a25 == 0) && a28 == 7)) && !(a28 == 0)) && 1 == a19) && a17 == 8)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a28 <= 10) && 1 == a19) && a17 == 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 19.1s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 13.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1460 SDtfs, 5255 SDslu, 1687 SDs, 0 SdLazy, 9404 SolverSat, 1488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1474 GetRequests, 1385 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4115occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9966489205806552 AbsIntWeakeningRatio, 0.22718052738336714 AbsIntAvgWeakeningVarsNumRemoved, 24.953346855983774 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 116 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 106 PreInvPairs, 150 NumberOfFragments, 795 HoareAnnotationTreeSize, 106 FomulaSimplifications, 2147 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1960 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1742 NumberOfCodeBlocks, 1742 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2178 ConstructedInterpolants, 0 QuantifiedInterpolants, 723556 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1105 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1118/1292 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...